<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

    <!-- 
        rowspan  上下合并
        colspan  左右合并
     -->


    <table width="500" height="400" border="1" cellspacing="0" cellpadding="0" align="center">
        <tbody>
            <!-- tr*5>td*4  -->
            <tr>
                <td rowspan="2"></td>
                <td></td>
                <td></td>
                <td></td>
            </tr>
            <!-- 2 -->
            <tr>
                <!-- <td></td> -->
                <td rowspan="2" colspan="2"></td>
                <!-- <td></td> -->
                <td rowspan="3"></td>
            </tr>
            <!-- 3 -->
            <tr>
                <td></td>
                <!-- <td></td> -->
                <!-- <td></td> -->
                <!-- <td></td> -->
            </tr>
            <!-- 4 -->
            <tr>
                <td colspan="2"></td>
                <!-- <td></td> -->
                <td></td>
                <!-- <td></td> -->
            </tr>
            <tr>
                <td></td>
                <td colspan="3"></td>
                <!-- <td></td> -->
                <!-- <td></td> -->
            </tr>
        </tbody>
    </table>

</body>

</html>